A 250-mm length of steel tubing (with properties of E=207X109Pa and =12x10-6per degree Celsius) having a cross-sectional area of 625 mm2 is installed with "fixed" ends so that it is stress-free at 26 oC. In operation, the tube is heated throughout to a uniform 249 oC. Careful measurements indicate that the fixed ends separated by 0.20mm. What loads are exerted on the ends of the tube, and what are the resultant stresses